Throwback Thursday: A History of NFL Training Camps

With the NFL offseason now in full swing, this edition of 'Throwback Thursday' takes a photographic look at training camps throughout history - from humble beginnings to its current status as, in true NFL style, an 'event' worthy of thousands of hours of media coverage.

Dallas Cowboys training camp, 1960's

Denver Broncos training camp, 1960

Cleveland Browns defensive linesmen (L-R); Bill Glass, Bob Gain, Dick Modzelewski, Paul Wiggin: 1964

Miami Dolphins training camp, 1970

Joe Namath and Richard Todd, New York Jets Training Camp, 1976 

Terry Bradshaw, Pittsburgh Steelers training camp, 1981

Jim McMahon and Walter Payton, Chicago Bears training camp 1986

Joe Montana and Steve Young, San Francisco 49ers training camp, 1990

Brett Favre, Green Bay Packers training camp, 1992

Reggie White, Green Bay Packers training camp, 1993

Michael Strahan, New York Giants training camp, 1999

Peyton Manning, Indianapolis Colts training camp, 2000

Brock Lesnar, Minnesota Vikings training camp, 2004

Cincinnati Bengals training camp, 2013

Robert Griffin III, Washington Redskins training camp 2013

Johnny Manziel, Cleveland Browns training camp, 2014